Wenjun Ruan created ZOOKEEPER-4380:
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Summary: Avoid NPE in RateLogger#rateLimitLog
Key: ZOOKEEPER-4380
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4380
Project: ZooKeeper
Issue Type: Improvement
Reporter: Wenjun Ruan
The newMsg may cause NPE
{code:java}
/**
* In addition to the message, it also takes a value.
*/
public void rateLimitLog(String newMsg, String value) {
long now = Time.currentElapsedTime();
if (newMsg.equals(msg)) {
++count;
this.value = value;
if (now - timestamp >= LOG_INTERVAL) {
flush();
msg = newMsg;
timestamp = now;
this.value = value;
}
} else {
flush();
msg = newMsg;
this.value = value;
timestamp = now;
LOG.warn("Message:{} Value:{}", msg, value);
}
}
{code}
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